package oop.Demo10;

public class Test {
    public static void main(String[] args) {
        //没有名字 初始化类,不用将实例保存到变量中
        new Apple().eat();

        UserService userService = new UserService() {
            @Override
            public void hello() {

            }
        };
    }
}
class Apple{
    public void eat() {
        System.out.println("1");
    }
}
interface UserService{
    void hello();
}
